In a world scarred by a centuries-old conflict between Earth and the Crest people, Nikolai, a part-cyborg, joins forces with Galory, a hybrid of human and Crest lineage, and Althea, a pureblooded Crest individual. Amidst lingering animosity, their journey takes a harrowing turn when their vessel is assaulted by automated enemy ships controlled by a rogue automaton aboard a colossal Crest vessel. Determined to rescue any surviving members of an advanced team from their ship and dismantle the menacing Type 38 automaton, Galory, Nikolai, and Althea embark on a perilous mission into the heart of the enemy stronghold.